In Constructing a 90% Interval Estimate for the Ratio of Two

question 10

Multiple Choice

In constructing a 90% interval estimate for the ratio of two population variances, , two independent samples of sizes 40 and 60 are drawn from the populations. If the sample variances are 515 and 920, then the lower confidence limit is:

• A) 0.352
• B) 0.341
• C) 0.890
• D) 0.918
• E) 0.245

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Definitions:

Sub-Saharan Africa

The area of the African continent located south of the Sahara Desert, noted for its diverse cultures, languages, and ecosystems.

Malaysia

A country located in Southeast Asia that comprises peninsular Malaysia and parts of the island of Borneo, known for its beaches, rainforests, and a mix of Malay, Chinese, Indian, and European cultural influences.

Prosimians

The suborder of primates that includes lemurs, lorises, and tarsiers.

Loris

A small, tree-dwelling primate with large eyes and a nocturnal lifestyle, found in Southeast Asia and parts of Africa.